Quote from: Doug Elliott on Mar 28, 2017, 11:30PMNice, it sounds like you did a LOT of work.
After all of my construction a few years ago I still have an unopened outside mount Fantech exhaust fan that I intended to install under my porch to ventilate the basement bathroom. I ended up using a Fantech inline fan instead. The whole idea of the Fantech line is that they're very quiet and remotely mounted instead of noisy and in the bathroom ceiling.
In case anybody's interested in it, it's a PBW 110 which mounts outside on the wall and you run a duct to it.
It was a lot of work, for sure.
The fan/light I went with, was similar to this one:
https://www.lowes.com/pd/Broan-0-3-Sone-110-CFM-White-Bathroom-Fan-with-Light-ENERGY-STAR/4311820
and it's pretty quiet.
The original fan did not work well, and I found out why.
The previous owner of the house, didn't run any duct work. It was vented into the attic space.
Then apparently later, they had insulation blew in on top of it.... duhhh, real smart.
So of course when I took the ceiling out, we had a floor full of blown in insulation to dispose of, then I had to totally reframe the ceiling. I put up 2 vapor barriers in the ceiling (1 on top before I framed it up, and one on bottom after I framed it up and then covered with sheet rock - a little over kill maybe).
To run the duct work, was a little challenging. To get outside with the venting, I would have to go out the metal roof, or bring the duct down inside the framing of the back wall to exit out the side of the house.
I had to think outside the box, so.... I ran the duct from the light/fan to the back/exterior wall, then came inside the wall with a diverter box (for a dryer!) - and it worked like a charm, and I went out the back wall with the vent. Check this out:
https://www.lowes.com/pd/IMPERIAL-24-in-to-45-in-Adjustable-Periscope-Dryer-Vent/4753386
The one I used was actually a little thinker.
Then I exited with this louvered vent:
https://www.lowes.com/pd/Builders-Edge-4-in-Plastic-Louvered-Dryer-Vent-Cap/3819157
And capped it with this guard:
https://www.lowes.com/pd/Lambro-4-in-Plastic-Pest-Guard-Dryer-Vent-Cap/4566308
Kinda funny how dryer venting parts, works so well as exhaust fan venting parts.
Then I covered all that up, with 3 layers of insulation overhead, and new insulation inside the exterior wall.
Yea, it's been a VERY involved project...
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T.